The Secret of Divine Civilization

ʻAbdu'l-Bahá, 1844-1921

Marvin, Francis Sydney, 1863-1943 [Editor]

Morgan, Lewis Henry, 1818-1881

Lübbert, Ernst, 1879-1915 [Illustrator]; Brehmer, Arthur, 1858-1923 [Editor]

Blackmar, Frank W. (Frank Wilson), 1854-1931

Bahá'u'lláh, 1817-1892

Cram, Ralph Adams, 1863-1942

Schiller, F. C. S. (Ferdinand Canning Scott), 1864-1937

Bab, ʻAli Muhammad Shirazi, 1819-1850

Shoghi, Effendi, 1897-1957 [Contributor]; ʻAbdu'l-Bahá, 1844-1921 [Contributor]; Bahíyyih, Khánum [Contributor]; Bahá'u'lláh, 1817-1892 [Contributor]; Baha'i World Centre

Tylor, Edward B. (Edward Burnett), 1832-1917